What is output of the following program? #include using namespace std; int x = 19; int main() { } int x = 21; { int x = 41; cout <<::X<

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A: Introduction: HINSTANCE instance, HINSTANCE hPrevInstance, PWSTR pCmdLine, int nCmdShow); int WINAPI…

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A: Given: True or false: Floor division is used to round up the result to nearest integer. (Python)

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Q: Pie chart is recommended for Nationality? A- True  B- false

A: The question has been answered in step2

Concept of Pointer Parameter

Pointers are the special variable that stores the variable address, instead of storing the variable value. Pointer is a powerful feature of a programming language. A pointer is mostly used to save memory space and improve execution time.